Vapor or gas generating apparatus.



W. F. DUN LOP. VAPOR 0R GAS GENERATING APPARATUS.

APPLICATION FILED 00125, 1913.

1,099,848. Patented June 9,1914.

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UNITED STATES PATENT OFFICE.

WILLIAM F. DUNLOP,

OF NEVVYORK, N. Y.

VAPOR OR GAS GENERATING APPARATUS.

LQSELSAS.

To all whom it may concern:

Be it known that 1, WILLIAM F. DUNLoP, a citizen of the United States,residing at New York, in the county of New York and State of New York,have invented new and useful Improvements in Vapor or Gas GeneratingApparatus, of which the following is a specification.

This invention relates to an apparatus for generating medicinal gases orvapors for use in the treatment of pyorrhea, ulcerations and other likepus-produced and pusproducing diseases of the gums, teeth and otherportions of the body, the object of the invention being to provide anapparatus whereby a medicinal gas or vapor of a certain character may beproduced and applied directly to the diseased surface so as to removeall pus, poisonous or irritating accumulations and render the diseasedparts aseptic, so as to effect a cure without danger of injury to thesurrounding tissues.

The invention consists of the features of construction combination andarrangement of parts herein described and claimed, reference being hadto the accompanying drawin which 2- Figure 1 is a side elevation of agas or vapor generating apparatus constructed in accordance with myinvention. Fig. 2 1s a larged scale, through the vapor storage tank orchamber and the lower end of the medlcament feed-pipe. Fig. 5 is adetail hori zontal transverse section on the line 44 of Fig. 2.

1n carrying my invention into practice, I provide a tank 1 forcontaining oxygen, air or other suitable gas under a determinedpressure, an oxygen compound of a character devised by me beingpreferably used. This tank is closed at its top by a head 2, havingthreaded openings 3 and ,4. Into the opening 8 is fitted a nipple 5communicating with the lower end of a valve casing 6 having at one sidean inlet pipe or passage 7. This pipe or passage 7 terminates in aclamping yoke 8 whereby it may be connectedto a primary tank containingthe oxygen or oxygen compound gas, for replenishing the tank 1 therefromwhenever Specification of Letters Patent.

Application filed October 25, 1913.

Serial No. 797,293.

trolling handle 11. The upper end of the casing is threaded to receive agland or ad justing nut 12, arranged to bear upon a suitable packing orgasket 13, whereby a gas tight connection is secured, the constructionalso being such that as the valve wears from continued use the nut maybe tightened against the packing to force the valve down into its seat,thus maintaining a gas tight connection.

Arranged within the tank 1 is a vapor storage and mixing tank 14 havinga concaved bottom or mixing surface 15. This tank is threaded atitsupper end in the opening 4 of the head 2 and is supported by saidhead in a pendent position within the tank 1. Suitably secured to thetop of the tank 14; is a nipple 16 provided with a passage 17 incommunication with said tank, which nipple has detachably coupledthereto a conductor 18 arranged in transverse alinement with the valvecasing 6. Through this conductor extends a medicament feed passage 19communicating at its upper end with a cup or receptacle 20 normallyclosed by a screw cap or suitable closure member 21. The lower end ofthe passage 19 communicates with a delivery pipe or tube 22 whichextends downwardly into the tank 14 and has its lower end arranged tobear against the center of the concaved bottom 15, the said lower end ofthe pipe 22 being provided with an annular series of jet apertures 23,for a purpose hereinafter described.

The valve casing 6 is provided at one side with a feed port 2 1communicating with the pipe 7 and at its diametrically opposite sidewith a feed port 25. The port 25 communicates with a pressure regulatingor reducing valve 26, connecting said port 25 with a gas feed passage 27formed in the conductor 18. A gas delivery pipe 28 communicates at itsupper end with the passage 27 and leads at its lower end into the pipe22 a distance above the apertured lower end of the latter. The valve 10has three positions, in one of which it opens communication between thepipe 7 and tank 1 for replenishing said tank with gas, in the second ofwhich it opens communication between the tank 1 and passage 27 for theflow of gasfrom said tank 1 to the delivery pipe 28, in which positionit cuts off communication between the tank 1 and pipe 7, and a third orblank position in which the PatentedJune 9, 1914:.

ports 24 and 25 are closed and the valve therefore entirely cuts ofiicommunication between the tank 1 and the pipe 7 and also between saidtank and the passage, 27. In the conductor 18 is formed a third passage29, constituting a final vapor or gas discharge passage, with whichconnects one end of a hose or discharge pipe 30. Through this hose ordischarge pipe the generated vapor or gas is supplied to the part to betreated. To this end the free end of the hose is provided with ahandpiece 31 terminating in a discharge nozzle 32. and into which may bedetachably fitted a discharge needle 33 of a restricted diameter,or of adiameter less than the discharge aperture or passage in the saiddischarge nozzle.

A gage 34 communicates with the tank 1, so. that the pressure of theprimary gas or gas compound contained thereinv may be determined at anytime, while a second gage 35 communicates either with the casing of thereducing valve 26 or at some suitable point of the apparatus. incommunication with the interior of the tank 14, whereby the pres sure ofthe generated vapor or gas therein may be determined.

In practice, the tank 1 is supplied with oxygen or a. compound oxygengas toa desired pressure, which gas is stored therein for use asrequired, and when it is desired to employ the apparatus. for theproduction of the medicinal gas or vapor a charge of they medicament tobe combined with the oxygen gas or oxygen gas compound is introducedinto the cup or receptacle 20, whence it feeds by gravity downwardthrough the passage 19 and pipe 22. Upon thev introduction of themedicament the valve 10 is turned to. open communication between thetank 1 and passage 27, to admit the oxygen or oxygen compound gas undera determined pressure into the pipe 28'. The gas. flowing downwardthrough saidpipe enters the pipe 22 at a. point above the jet'orifices23. and commingles with the liquid medicament, which is of asemi-volatile nature, and discharges the medicament under. pressure:through the jet orifices 23 and against the concaved bottom or mixingsurface15 of the tank 14:, whereby the medicament. is thoroughlyvolatilized and commingled. with the oxygen or oxygen gas compound,forming a medicated vapor of a. certain character which is stored withinthe chamber 1a. This vapor discharges through the tube 30 and nozzle31,. by which it may be directed against or into the aifected parttorbe. treated. Under a. determined pressure of. the. oxygen or oxygen.gas, compound, which may be regulated by means of the valve 26, and in.the use of the discharge tube without theneedle- 33, the medicament maybe injected in the vaporized condition in which it exists in the storagetank 14, allowing it to be used in such condition against the affectedsurface. The medicated vapor is, however, of such a nature that byapplying a needle 33 having a passage which is of constricted sizerelative to the passage in the nozzle 32, a resistance to the outflow ofthe vapor will be created, establishing a certain additional pressure,under which the vapor is converted into a clear dry gas which under someconditions of treatment is directed against or into the part to betreated. The needle not only enables this change in the conversion ofthe medicated vapor into a medicated gas without varying the pressurethrough the reducing valve, but also enables the gas to be injected intocavities or pockets so as to directly reach the seat of the disease.

The apparatus is especially designed for the production of a medicatedgas or vapor for use in the treatment of pyorrhea and other purulentdiseases, the gas or vapor being preferably produced from an oxygencompound formed of pure oxygen combined with tissue stimulating agents,preferably alcohol, and oil of peppermint, and a medicament consistingof an aqueous solution of boracic acid, alcohol and oil of peppermint,the vapor or gas thus being saturated with a local antiseptic andcertain elements which are precipitated and act upon the tissues tostimulate the nerves and to induce an increased flow of blood to thepart, thus providing for the absorption by the blood of an increasedamount of oxygen without danger of oxidation of the tissues, and at thesame time stimulating the diseased parts so as to assist nature to' agreat degree in effecting a cure. The alcohol and menthol contained inthe oil of peppermint penetrate the tissues to an appreciable extent,thus allowing the oxygen to come into contact with the diseased cellsand to act as a germicide in destroying all diseased matter and germlife and neutralizing the pus, placing the tissues 1n an asepticcondition for a healing action.

It will be observed that the apparatus, which is preferably of aportable character, provides for an efficient combination of thesubstances named and under a proper pressure to effect thevolatilization of the ethylborate solution, and that the discharge ofthe remedial agent either in vaporous or gaseous form may be readily andconveniently controlled by the operator.

I claim 1. A vapor or gas producing apparatus comprising a gascontaining tank, a mixing chamber having a medicament feed passage,

.a mixing surface, an inlet and a discharge outlet, a medicament feedpipe communicatng wrth sald medicament, and extending into said mixingchamber, said pipe having a delivery end in proximity to said mixingsurface, a valved control connection between the gas receiving tank andsaid inlet, and'a gas conducting connection leading from said inlet tosaid medicament feed pipe and communicating with the latter adjacent itsdelivery end.

2. gas or vapor generating apparatus comprising a gas receiving tank, amixing chamber having a gas inlet, a discharge outlet and a medicamentpassage, a medicament feed pipe communicating with said passage andhaving a delivery end provided with constricted outlets arranged incombination with a wall of the chamber to effect a commingling of thegas and medicament to provide a medicated gas or vapor, a valvecontrolled connection between the gas receiving tank and the inlet, anda gas conducting connection between said inlet and the medicament feedpipe communicating with the latter at a point adjacent to the deliveryend thereof.

3. gas or vapor generating apparatus comprising a gas receiving tank, amixing chamber having a concaved wall, and provided with an inlet, anoutlet and a medicament feed passage, a medicament feed pipecommunicating with said passage and having a delivery end provided withjet apertures arranged in proximity to said concaved wall, a valvecontrolled connection between the gas receiving tank and the inlet, anda conducting connection between said inlet and the medicament feed pipecommunicating with the latter adjacent to the apertured end thereof.

41-. A gas or vapor generating apparatus comprising a gas receivingtank, a mixing chamber, a valve casing having inlet and outlet passagesand acombined inlet and outlet passage communicating with the tank,

and a valve in said casing controlling com munication between saidpassages, an element connected with the chamber and having a medicamentpassage and inlet and outlet passages, the last-named communicating withthe chamber, a connection between the outlet passage of the valvechamber and the inlet passage of said member, a medicament feed pipecommunicating with the medicament passage and extending into the chamherand having an apertured delivery end, and a conducting pipecommunicating with the inlet to said member and communicating with themedicament feed pipe adjacent the apertured end thereof.

5. A vapor or gas generating apparatus comprising a gas storage tank, amixing tank, a valve casing having a passage communicating with the tankand inlet and outlet ports, a valve in said casing controllingcommunication between said passage and ports, a conductor having anoutlet communicating with the mixing chamber and provided with an inletand a medicament passage, a connection between the said inlet passageand the outlet passage of the valve casing, said connection having apressure controlling valve therein, a medicament feed pipe communicatingwith the medicament passage and extending into the mixing chamher andhaving an apertured end terminat ing adjacent the bottom of saidchamber, and a conduct-ing pipe leading from the inlet of saidconducting member and communicating with the medicament feed pipeadjacent the apertured end thereof.

In testimony whereof I aflix my signature in presence of two witnesses.

WILLIAM F. DUNLOP.

Witnesses:

CHAS. J. BROWN, LILLIE S. TYLER.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patent:I

Washington, D. O.

